How To Fix M_OBOM_WB_GNRL008 - You cannot add an entry below component &1; see long text

M_OBOM_WB_GNRL008 - Overview

• Message type: E = Error

• Message class: M_OBOM_WB_GNRL - OEWB: allgemeine Fehlermeldungen

• Message number: 008

• Message text: You cannot add an entry below component &1; see long text

What causes this issue?

No sales order BOM exists for component.

System Response

You cannot add components below component.

How to fix this error?

If possible, first create an order BOM for the component. To do this,
choose "Fix BOM" from the context menu. Once you have saved the data,
you can add subordinate components.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

M_OBOM_WB_GNRL008 - Details

• The SAP error message M_OBOM_WB_GNRL008 indicates that you cannot add an entry below a specific component in a Bill of Materials (BOM). This error typically arises when there is an attempt to create a sub-component or a nested structure that is not allowed due to the configuration or hierarchy of the BOM.
  
  Cause:
  
  Hierarchy Restrictions: The BOM structure may have restrictions on how components can be nested. For example, certain components may not allow sub-components or may be defined as "header" components that cannot have further entries below them.
  Component Type: The component you are trying to add to may be of a type that does not support further breakdown (e.g., a non-assembly item).
  BOM Status: The BOM may be in a status that does not allow modifications, such as being locked or in a released state.
  
  Configuration Issues: There may be configuration settings in the system that restrict the addition of components under certain